假如我是科学家，我要发明许多东西，为人民做出贡献。

If I were a scientist, I would invent many things and contribute to the people.

假如我是科学家，我要发明一种药，这种药是在战争的时候吃的，人们吃了它就不会打杖，反而会成为好朋友，这样天下就太平了。

If I were a scientist, I would invent a kind of medicine, which was taken in the war, people would not play with sticks, but would become good friends, so that the world would be peaceful.

假如我是科学家，我要发明一种万能胶，在做海堤和垛墙的时候，就一点也不累了。只要轻轻的一粘就做好了，非常坚固耐用。既使一颗小行星撞到了，但是里面的人会毫发无损。

If I were a scientist, I would invent a kind of all-purpose glue. When I was making seawalls and buttresses, I would not be tired at all. As long as a light stick on the good, very durable. Even if an asteroid is hit, the people in it will remain intact.

假如我是科学家，我要发明一种种子，农民有了它赚的钱就多，只要一种下去，就会长成有梨子，香蕉，西瓜的树了，这样岂不是很好吗？

If I were a scientist, I would invent a kind of seed, and farmers would make more money with it. As long as one kind goes on, it will grow into a tree with pears, bananas and watermelons. Isn't that good?

假如我是科学家，我要发明可以爬到月球的电梯，只要人站上去系好安全带就可以一秒钟到那，一次10元，既省钱又方便，还可以减少地球的负担。

If I were a scientist, I would invent an elevator that can climb to the moon. As long as people stand up and fasten their seat belts, they can get there in a second. It costs 10 yuan at a time, which saves money and is convenient. It can also reduce the burden on the earth.

假如我是科学家，我还要发明一种药，得了重病的人吃了它一天就好了。没病的人吃了它可以变成超人，消灭不法分子。

If I were a scientist, I would invent a kind of medicine, which would be good for the seriously ill people to take in one day. People who have no disease can become Superman and eliminate lawbreakers after eating it.

假如我是科学家，我要发明一种水管，如果有水灾，只要按一下绿色键水就会吸收了，火灾来了还可以按红色键灭火。

If I am a scientist, I want to invent a kind of water pipe. If there is a flood, just press the green key and the water will be absorbed. If there is a fire, press the red key to put out the fire.

我想我说的在不久的将来一定会实现。

I think what I said will come true in the near future.